Period
to 22 July 2017

The following table provides summary statistics for permanent job vacancies advertised in Hereford with a requirement for TDD skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited TDD over the 6 months to 22 July 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Herefordshire > Hereford
6 months to
22 Jul 2017
Same period 2016 Same period 2015
Rank 37 - -
Rank change year-on-year - - +15
Permanent jobs citing TDD 7 0 0
As % of all permanent IT jobs advertised in Hereford 5.79% - -
As % of the Processes & Methodologies category 5.83% - -
Number of salaries quoted 14 0 0
Hereford median annual salary £45,000 - -
Herefordshire median annual salary £45,000 £47,500 £52,500
% change year-on-year -5.26% -9.52% +31.25%

TDD is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Hereford with a requirement for process and methodology skills.

Process & Methodology Skills
Hereford
Permanent job vacancies with a requirement for process and methodology skills 120 95 36
As % of all permanent IT job vacancies advertised in Hereford 99.17% 92.23% 83.72%
Number of salaries quoted 116 72 32
Hereford median annual salary £38,750 £32,500 £40,000
Median salary % change year-on-year +19.23% -18.75% +9.69%
10th Percentile £22,500 £26,250 £20,750
90th Percentile £52,500 £59,250 £49,750
Herefordshire median annual salary £37,500 £35,000 £40,000
% change year-on-year +7.14% -12.50% +9.69%

TDD
Job Vacancy Trend in Hereford

Job postings citing TDD as a percentage of all IT jobs advertised in Hereford.

Job vacancy trend for TDD in Hereford

TDD
Salary Trend in Hereford

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing TDD in Hereford.

Salary trend for TDD in Hereford

For the 6 months to 22 July 2017, IT jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Hereford region with a requirement for TDD.

1 7 (100.00%) HTML
1 7 (100.00%) KnockoutJS
2 4 (57.14%) Jasmine
2 4 (57.14%) Sass
2 4 (57.14%) Mocha
2 4 (57.14%) BDD
2 4 (57.14%) Node.js
2 4 (57.14%) CSS3
2 4 (57.14%) Backbone.js
2 4 (57.14%) Mobile App
2 4 (57.14%) Grunt
2 4 (57.14%) User Experience
2 4 (57.14%) gulp
2 4 (57.14%) Cross-Browser Compatibility
2 4 (57.14%) Chai
2 4 (57.14%) CSS
2 4 (57.14%) SEO
2 4 (57.14%) JavaScript
2 4 (57.14%) PHP
2 4 (57.14%) Agile Software Development
2 4 (57.14%) Subversion
2 4 (57.14%) Pay per click
2 4 (57.14%) Marketing
2 4 (57.14%) Unit Testing
2 4 (57.14%) JSUnit
2 4 (57.14%) Git (software)
2 4 (57.14%) Animation
2 4 (57.14%) Test Automation
2 4 (57.14%) HTML5
3 3 (42.86%) MVVM

TDD
Co-occurring IT Skills in Hereford by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Development Applications
1 4 (57.14%) Git (software)
1 4 (57.14%) Grunt
1 4 (57.14%) gulp
1 4 (57.14%) Jasmine
1 4 (57.14%) JSUnit
1 4 (57.14%) Mocha
1 4 (57.14%) Subversion
2 3 (42.86%) Team Foundation Server
General
1 4 (57.14%) Marketing
Job Titles
1 7 (100.00%) Developer
2 4 (57.14%) Front End Developer (Client-Side Developer)
2 4 (57.14%) HTML CSS Developer
2 4 (57.14%) HTML Developer
2 4 (57.14%) JavaScript Developer
3 3 (42.86%) .NET Developer
3 3 (42.86%) ASP.NET Developer
3 3 (42.86%) SQL Developer
Libraries, Frameworks & Software Standards
1 7 (100.00%) HTML
1 7 (100.00%) KnockoutJS
2 4 (57.14%) Backbone.js
2 4 (57.14%) Chai
2 4 (57.14%) CSS
2 4 (57.14%) CSS3
2 4 (57.14%) HTML5
2 4 (57.14%) Node.js
2 4 (57.14%) Sass
3 3 (42.86%) .NET Framework
3 3 (42.86%) Ajax
3 3 (42.86%) AngularJS
3 3 (42.86%) ASP.NET Web API
3 3 (42.86%) ASP.NET Web Forms
3 3 (42.86%) Entity Framework
3 3 (42.86%) jQuery
3 3 (42.86%) NHibernate
3 3 (42.86%) WCF
3 3 (42.86%) Web Services
3 3 (42.86%) XHTML
Miscellaneous
1 4 (57.14%) Animation
1 4 (57.14%) Mobile App
1 4 (57.14%) User Experience
Processes & Methodologies
1 4 (57.14%) Agile Software Development
1 4 (57.14%) BDD
1 4 (57.14%) Cross-Browser Compatibility
1 4 (57.14%) Pay per click
1 4 (57.14%) SEO
1 4 (57.14%) Test Automation
1 4 (57.14%) Unit Testing
2 3 (42.86%) MVC
2 3 (42.86%) MVVM
Programming Languages
1 4 (57.14%) JavaScript
1 4 (57.14%) PHP
2 3 (42.86%) C#
2 3 (42.86%) SQL
2 3 (42.86%) T-SQL
2 3 (42.86%) VB